ZyXEL U-336E User Manual - Page 11
Diagnostics & Troubleshooting 107, Upgrading Your Modem 118, Connector Pinouts 120
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Page 11 highlights
S-Register Descriptions 84 Basic S-Registers "ATSn=x" 84 Extended S-Registers "ATSn=x" 85 Result Code Options 102 "ATXn" Result Code Option Table 102 Result Code Field Descriptions 105 Connect Strings for Error Corrected Connections 105 9 Diagnostics & Troubleshooting 107 Diagnostics 107 Power-On Self Test 107 Resetting The Modem 108 Loopback Tests 109 Indicator Lights 110 Line Condition Status Display 111 Trouble Shooting 113 AT Command Set Problems 113 Command Echo Problems 115 Answer Problems 115 Dialing Problems 116 Data Transfer Problems 117 Connection Problems 117 10 Upgrading Your Modem 118 Upgrading by Flash EPROM 118 Kernel Recovery Mode 119 11 Connector Pinouts 120 Phone Jack Pinouts 120 PC Serial Port Pinouts 120 Macintosh Serial Port Pinouts 122 xi
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